Synonyms of king-size

1 Syllable
gross, vast, big, giant
2 Syllables
large, monstrous, mighty, jumbo, mammoth, mortal
3 Syllables
tremendous, fantastic, towering, gigantic, prodigious, stupendous, immense, herculean, colossal, massive
4 Syllables
monumental
5 Syllables
immeasurable, inordinate